Model 9110T NOx Analyzer

Instrument Maintenance

5.Holding the main dryer fitting steady with a 5/8” wrench and tighten the nut with your hands.

If necessary use a second wrench but do not over-tighten the nut.

6.Replace the cover, plug in the power cord and restart the analyzer.

7.Check the O3 flow rate; it should be around 80 cm³/min ± 15.

8.Check the RCEL pressure.

It should be the same value as before.

9.Refer to Section 13.3.12 to leak check after installing the new DFU particle filter.

11.3.3.CHANGING THE OZONE CLEANSER CHEMICAL

The ozone (O3) cleanser is located next to the O3 generator (see Figure 3-5) and cleans the O3 stream from solid and liquid contaminants that are created inside the O3 generator. The content of the ozone cleanser needs periodical exchange according to Table 11-1. A rebuild kit is available from the factory (see Appendix B of this manual lists the part numbers).

To change the ozone cleanser chemical, follow these steps:

1.Turn of power to the analyzer and pump. Remove the analyzer cover and locate the O3 filter in the front of the analyzer next to the O3 generator.

2.Use a 7/16” wrench to remove both pieces of 1/8” male nut with tubing from the NPT fittings.

Teledyne Analytical Instruments

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Teledyne 9110T instruction manual Changing the Ozone Cleanser Chemical